According to the Weak Central Coherence Hypothesis, How Is Perceptual

According to the weak central coherence hypothesis, how is perceptual processing affected in ASD?

A) Higher level processes are impaired, and low-level processes normal
B) Higher level processes are impaired, and low-level processes also impaired
C) Higher level processes are normal, and low-level processes impaired
D) Higher level processes are impaired, and low-level processes better than normal